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Various kinds of strong magnets are employed to serve a variety of purposes. They are used in medical devices, magnetic separations and other electronic devices. If not handled properly strong magnets could pose danger. The strength of a magnet is determined by the type of material it is made from. Rare earth materials are the […]

Invented by NASA scientists, Ferrofluid is a liquid with magnetic particles suspended in it. It’s used to help aircraft avoid radar. It can also be used for artistic purposes as demonstrated in the Hans Gretel Talking Bottle Opener video. Ferrofluid is a fluid that contains magnetic particles that react to magnets. It’s shape changes when […]